Nut-lock.



J. J. GALEY.

NUT LOCK;

APPLICATION FILED 11116.24, 1908.

918,527. Patented Apr. 20, 1909.

l I glvwznltoz To all whom it may concern:

UNITE STATES PATENT oEEIoE.

JOHN JAMES GALEY, OF ATWOOD, TENNESSEE.

NUT-LOCK.

in which the nut will be effectively locked to pawls.

the bolt.

The above and other objects of the invention are attained in its preferred embodiment illustrated in the accompanying drawings, in which- Figure 1 is a side elevation of a nut locked to its bolt in accordance with the invention; Fig. 2 is an end view of the same; Fig. 3 is a longitudinal section taken on the plane indi: cated by the line 33 in Fig. 2; and Fig. 4 is a perspective view of one of the locking In the drawings 1 denotes a bolt of ordinary construction having formed in its screw threaded end longitudinal grooves or channels 2 which are substantially V-shaped and each of which has a radial wall and an inclined wall. While any number bf said grooves may be provided, two are preferably employed and arranged at diametrically opposite points on the bolt, as illustrated.

{1 denotes a nut of rectangular or other Specification of Letters Patent. Application filed August 24, 1908. Serial No. 449,932.

Patented April 20, 1909.

shape having a threaded bore to receive the threads on the bolt and having in its outer end' one or more recesses 5 which intersect the threaded bore. In said recesses are formed rectangular openings 6 to receive rectangular shanks 7 of resilient locking pawls 8 which are adapted to enter the grooves 2 and revent the nut from being turned off of the olt. Said pawls are of right angular shalp, one arm forming the shank 7 and the ot er arm being slightly curved and tapered. The

pawls 8 lie within the recesses 5 and are prevented from springing out of the grooves 2 by the walls of said recesses and when it is desired to remove the nut from the bolt said pawls may be sprung out of the recesses and out of said grooves oil of the bolt.

Having thus described the invention what i is claimed is:

In a nut lock, the combination with a threaded bolt having longitudinally extending V-sha ed grooves formed in its threaded ortion, o a nut arranged u on the bolt and ormed in its outer end with secting the bore of the nut and having in their bottoms rectangular openings, resilient pawls shanks fixed in said openings and curved and talpered ends arranged in the recesses and a apted to engage the grooves in the bolt to retain the nut upon the latter. I

In testimony whereof I hereunto aifix my signature in the presence of two witnesses.

' JOHN JAMES GALEY.

Witnesses:

D. A. BULLINGTON, W. T. BROWNING.

to permit the nut to be turned recesses inter-- of right angular form having squared U 

